Home / 255,931.98-383,537.10-120,851.94

Finding the Fourth Proportional to 255,931.98, 383,537.10 and 120,851.94

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Solution

The fourth proportional to 255,931.98, 383,537.10 and 120,851.94 is: 181,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,931.98 : 383,537.10 = 120,851.94 : x
  2. Step 2: Convert to fraction form
    255,931.98/383,537.10 = 120,851.94/x
  3. Step 3: Cross multiply
    255,931.98x = 383,537.10 × 120,851.94
  4. Step 4: Simplify right side
    255,931.98x = 46,351,202,596.97
  5. Step 5: Solve for x
    x = 46,351,202,596.97/255,931.98
  6. Step 6: Final answer
    x = 181,107.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.